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livetrax/libs/ardour/session_rtevents.cc

209 lines
5.7 KiB
C++

/*
* Copyright (C) 1999-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2011-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2015 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <boost/bind.hpp>
#include <glibmm/timer.h>
#include "pbd/error.h"
#include "pbd/compose.h"
#include "ardour/audioengine.h"
#include "ardour/butler.h"
#include "ardour/monitor_control.h"
#include "ardour/route.h"
#include "ardour/session.h"
#include "ardour/solo_mute_release.h"
#include "ardour/track.h"
#include "ardour/vca_manager.h"
#include "pbd/i18n.h"
using namespace std;
using namespace PBD;
using namespace ARDOUR;
using namespace Glib;
void
Session::set_controls (std::shared_ptr<AutomationControlList> cl, double val, Controllable::GroupControlDisposition gcd)
{
if (cl->empty()) {
return;
}
#if 1
/* This is called by the GUI thread, so we can wait if neccessary to prevent
* "POOL OUT OF MEMORY" fatal errors.
*
* This is not a good solution, because if this happens
* event_loop->call_slot() will most likely also fail to queue a request
* to delete the Events. There is likely an additional Changed() signal
* which needds a EventLoop RequestBuffer slot.
*
* Ideally the EventLoop RequestBuffer would be at least twice the size
* of the the SessionEvent Pool, but it isn't, and even then there may
* still be other signals scheduling events...
*/
if (SessionEvent::pool_available () < 8) {
int sleeptm = std::max (40000, engine().usecs_per_cycle ());
int timeout = std::max (10, 1000000 / sleeptm);
do {
Glib::usleep (sleeptm);
ARDOUR::GUIIdle ();
}
while (SessionEvent::pool_available () < 8 && --timeout > 0);
}
#endif
std::shared_ptr<WeakAutomationControlList> wcl (new WeakAutomationControlList);
for (AutomationControlList::iterator ci = cl->begin(); ci != cl->end(); ++ci) {
/* as of july 2017 this is a no-op for everything except record enable */
(*ci)->pre_realtime_queue_stuff (val, gcd);
/* fill in weak pointer ctrl list */
wcl->push_back (*ci);
}
queue_event (get_rt_event (wcl, val, gcd));
}
void
Session::set_control (std::shared_ptr<AutomationControl> ac, double val, Controllable::GroupControlDisposition gcd)
{
if (!ac) {
return;
}
std::shared_ptr<AutomationControlList> cl (new AutomationControlList);
cl->push_back (ac);
set_controls (cl, val, gcd);
}
void
Session::rt_set_controls (std::shared_ptr<WeakAutomationControlList> cl, double val, Controllable::GroupControlDisposition gcd)
{
/* Note that we require that all controls in the ControlList are of the
same type.
*/
if (cl->empty()) {
return;
}
AutomationType type = NullAutomation;
for (auto const& c : *cl) {
std::shared_ptr<AutomationControl> ac = c.lock ();
if (ac) {
ac->set_value (val, gcd);
type = ac->desc().type;
}
}
/* some controls need global work to take place after they are set. Do
* that here.
*/
switch (type) {
case SoloAutomation:
update_route_solo_state ();
break;
default:
break;
}
}
void
Session::prepare_momentary_solo (SoloMuteRelease* smr, bool exclusive, std::shared_ptr<Route> route)
{
std::shared_ptr<StripableList> routes_on (new StripableList);
std::shared_ptr<StripableList> routes_off (new StripableList);
std::shared_ptr<RouteList const> routes = get_routes();
for (auto const & r : *routes) {
#ifdef MIXBUS
if (route && (0 == route->mixbus()) != (0 == r->mixbus ())) {
continue;
}
#endif
if (r->soloed ()) {
routes_on->push_back (r);
} else if (smr) {
routes_off->push_back (r);
}
}
if (exclusive) {
set_controls (stripable_list_to_control_list (routes_on, &Stripable::solo_control), false, Controllable::UseGroup);
}
if (smr) {
smr->set (routes_on, routes_off);
}
if (_monitor_out) {
if (smr) {
std::shared_ptr<std::list<std::string> > pml (new std::list<std::string>);
_engine.monitor_port().active_monitors (*pml);
smr->set (pml);
}
if (exclusive) {
/* unset any input monitors */
_engine.monitor_port().clear_ports (false);
}
}
}
void
Session::clear_all_solo_state (std::shared_ptr<RouteList const> rl)
{
queue_event (get_rt_event (rl, false, rt_cleanup, Controllable::NoGroup, &Session::rt_clear_all_solo_state));
}
void
Session::rt_clear_all_solo_state (std::shared_ptr<RouteList const> rl, bool /* yn */, Controllable::GroupControlDisposition /* group_override */)
{
for (auto const& i : *rl) {
if (i->is_auditioner()) {
continue;
}
i->clear_all_solo_state();
}
_vca_manager->clear_all_solo_state ();
update_route_solo_state ();
}
void
Session::process_rtop (SessionEvent* ev)
{
ev->rt_slot ();
if (ev->event_loop) {
if (!ev->event_loop->call_slot (MISSING_INVALIDATOR, boost::bind (ev->rt_return, ev))) {
/* The event must be deleted, otherwise the SessionEvent Pool may fill up */
if (!butler ()->delegate (boost::bind (ev->rt_return, ev))) {
ev->rt_return (ev);
}
}
} else {
warning << string_compose ("programming error: %1", X_("Session RT event queued from thread without a UI - cleanup in RT thread!")) << endmsg;
ev->rt_return (ev);
}
}